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KhanAcademyExercises

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New exercises from Khan Academy 2020-12-02T22:44:38.000000
Aggiornato: 1 ora 14 min fa

Convert units word problems (metrics)

Mer, 2020-10-28 15:31
Solve 1-step word problems involving metric units of measure and time.

Dividing unit fractions by whole numbers visually

Mar, 2020-10-27 22:42
Practice dividing unit fractions by whole numbers with visual models.

Solubility

Lun, 2020-10-26 23:19
Check your understanding of the relationship between solubility and intermolecular forces in this set of free practice questions designed for AP Chemistry students.

Separation of solutions and mixtures chromatography

Lun, 2020-10-26 23:18
Check your understanding of chromatography and distillation in this set of free practice questions designed for AP Chemistry students.

Explicit formulas for geometric sequences

Dom, 2020-10-25 17:00
Solve problems such as: The first four terms in a geometric sequence are 1/3, 1, 3, and 9. Find an explicit formula for the sequence.

Explicit formulas for arithmetic sequences

Dom, 2020-10-25 16:56
Solve problems such as: The first four terms in an arithmetic sequence are 12, 5, -2, and -9. Find an explicit formula for the sequence.

Manipulate formulas

Dom, 2020-10-25 13:40
Solve multi-variable formulas for a specific variable in order to solve some word problems.

Representations of solutions

Ven, 2020-10-23 19:47
Practice identifying and interpreting particulate models of solutions in this set of free questions designed for AP Chemistry students.

Solutions and mixtures

Ven, 2020-10-23 19:46
Practice calculations involving molarity in this set of free practice questions designed for AP Chemistry students.

Area of rectangles with partial arrays

Gio, 2020-10-22 15:52
Find the area of rectangles when not all square units are shown.

Disruptions to ecosystems

Gio, 2020-10-22 15:42
Test your knowledge of disruptions to ecosystems!

Biodiversity

Gio, 2020-10-22 15:41
Test your knowledge of biodiversity!

Community ecology

Gio, 2020-10-22 15:40
Test your knowledge of community ecology!

Energy flow through ecosystems

Gio, 2020-10-22 15:38
Test your knowledge of energy flow through ecosystems!

Responses to the environment

Gio, 2020-10-22 15:35
Test your knowledge of responses to the environment!

Deviation from ideal gas law

Gio, 2020-10-22 00:46
Check your understanding of how real gases deviate from ideal behavior in this set of free practice questions designed for AP Chemistry students.

Geometric distributions

Mar, 2020-10-20 17:21
Practice calculating the mean and standard deviation of geometric distributions.

Symbols practice: The gradient

Mar, 2020-10-20 17:19
Decipher vector, scalar, or nonsense from an expression involving the gradient, divergence, and curl.

Extend geometric sequences: negatives & fractions

Mar, 2020-10-20 09:41
Find the next term in a geometric sequence. The problems in this quiz involve relatively difficult calculations.

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